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Admittedly, this is a controversial topic. Stratospheric Aerosol Injection (SAI) involves the injection of aerosols into the stratosphere to reflect sunlight back to space and cool the Earth. While this approach is gaining serious interest, it remains extremely controversial due to unpredictable side effects. Our research aims to quantify the environmental impacts of SAI and to provide evidence-based insights for policymakers and stakeholders on the feasibility, effectiveness, and risks of SAI as a climate intervention strategy.
TBD
Heterogeneous reactions of trace species on SAI Aerosol
Heterogeneous reactions of trace species on SAI Aerosol
We conduct laboratory experiments to quantify the reactive uptake of four reservoir species (e.g., HCl, HNO3, N2O5, and ClONO2) onto SAI candidate aerosols (e.g., CaCO3 and Al2O3). We use a jacketed flow tube reactor to simulate the stratospheric condition (e.g., -40C), use Chemical Ioniziation Mass Spectrometer (CIMS) for real-time measurements of gas species, and use both SMPS and AAC to monitor the size distribution over a broad size range (10nm – 20um).
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TBD
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